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Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement ?
1. Exact concentration of solution is not given
2. Character of semi permeable membrane is not given
3. The flow of solution is possible through semi permeable membrane
4. All are incorrect

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Correct Answer - Option 1 : Exact concentration of solution is not given

The correct answer is Exact concentration of the solution is not given.

  • Osmosis is defined as the flow of solvent molecules from a region of their higher concentration to a region of their lower concentration across a semipermeable membrane.
  • Osmosis does not explain the movement of solute particles or solutions.

  • Osmosis is a biophysical phenomenon occurring commonly in biologic systems, in which cells of fluid compartments are separated by semipermeable membranes.
  • Osmosis describes the diffusion of the solvent through a semipermeable membrane. The driving force of the solvent shift is the concentration difference of solutes in the solutions separated by the semipermeable membrane.
  • In contrast to solvent, solutes cannot pass this barrier. Water, the usual solvent in biologic systems, migrates from the compartment with a lower concentration to the compartment with a higher concentration of solutes.
  • The net fluid flux ends when the concentration of osmotic active molecules is equal in the two compartments. Therefore the distribution of water is a matter of osmosis and not transport of solutes.

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